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Author SHA1 Message Date
Bob Wilson
6b6b53ad6f Remove unused ARMISD::AND selection DAG node. 
llvm-svn: 116566
 2010-10-15 04:34:40 +00:00
Bob Wilson
fcc42f2f3a ARM instructions that are both predicated and set the condition codes 
have been printed with the "S" modifier after the predicate.  With ARM's
unified syntax, they are supposed to go in the other order.  We fixed this
for Thumb when we switched to unified syntax but missed changing it for
ARM.  Apparently we don't generate these instructions often because no one
noticed until now.  Thanks to Bill Wendling for the testcase!

llvm-svn: 116563
 2010-10-15 03:23:44 +00:00
Jim Grosbach
b01bcbd047 Encoding info for extension instructions. 
llvm-svn: 116560
 2010-10-15 02:29:58 +00:00
Jim Grosbach
9e98b1cde0 Grammar. 
llvm-svn: 116557
 2010-10-15 01:44:59 +00:00
Rafael Espindola
a366d6538b Don't pass --export-dynamic if TOOL_NO_EXPORTS is set. 
llvm-svn: 116550
 2010-10-15 00:58:12 +00:00
Jakob Stoklund Olesen
b569fb0904 Eliminate curli from SplitEditor. Use the LiveRangeEdit reference instead. 
llvm-svn: 116547
 2010-10-15 00:34:01 +00:00
Jakob Stoklund Olesen
5d5bcb8ee4 Move stack slot assignments into LiveRangeEdit. 
All registers created during splitting or spilling are assigned to the same
stack slot as the parent register.

When splitting or rematting, we may not spill at all. In that case the stack
slot is still assigned, but it will be dead.

llvm-svn: 116546
 2010-10-15 00:16:55 +00:00
Jakob Stoklund Olesen
acca65b973 Create a new LiveRangeEdit class to keep track of the new registers created when 
splitting or spillling, and to help with rematerialization.

Use LiveRangeEdit in InlineSpiller and SplitKit. This will eventually make it
possible to share remat code between InlineSpiller and SplitKit.

llvm-svn: 116543
 2010-10-14 23:49:52 +00:00
Jim Grosbach
608e4fd221 Simplify test file a bit. 
llvm-svn: 116540
 2010-10-14 23:32:44 +00:00
Jim Grosbach
26842cb893 Add testcase for RRX and ASRS (which effectively tests MOVs, since those 
are just forms of that instruction).

llvm-svn: 116538
 2010-10-14 23:29:18 +00:00
Jim Grosbach
6da1b52d7b Add missing Rd encoding for MOVs instruction. 
llvm-svn: 116537
 2010-10-14 23:28:31 +00:00
Jim Grosbach
804505c7d4 Refactor the MOVsr[al]_flag and RRX pseudo-instructions to really be pseudos 
and let the ARMExpandPseudoInsts pass fix them up into the real (MOVs)
instruction form.

llvm-svn: 116534
 2010-10-14 22:57:13 +00:00
Dan Gohman
d93278f6b6 Tolerate a null parent pointer. 
llvm-svn: 116533
 2010-10-14 22:55:57 +00:00
Oscar Fuentes
e596a172e3 Added basic support for CPack. 
llvm-svn: 116516
 2010-10-14 21:11:51 +00:00
Jim Grosbach
29dc23398f Tweak the ARM backend to use the RRX mnemonic instead of the 'mov a, b, rrx' 
pseudonym.

llvm-svn: 116512
 2010-10-14 20:43:44 +00:00
Francois Pichet
ad0548d742 Always use binary mode for output stream. This is important to prevent unwanted end of line conversion on Windows. Should not affect Unix where O_BINARY is not defined. This fix /clang/test/lexer/preamble.c XFAIL on WIN32. 
llvm-svn: 116509
 2010-10-14 20:30:58 +00:00
Jim Grosbach
73c78f8790 MOVi16 and MOVT ARM mode encodings. 
llvm-svn: 116498
 2010-10-14 18:54:27 +00:00
Jakob Stoklund Olesen
e0b9dbf91b Only split around a loop if the live range has uses outside the loop periphery. 
Before we would also split around a loop if any peripheral block had multiple
uses. This could cause repeated splitting when splitting a different live range
would insert uses into the periphery.

Now -spiller=inline passes the nightly test suite again.

llvm-svn: 116494
 2010-10-14 18:26:45 +00:00
Owen Anderson
467d56737b Try again at implementing thread-safe lazy pass initialization, without depending on static local initialization 
being threadsafe AND ensuring that initialization is complete by the time the initializeFooPass method returns.

llvm-svn: 116492
 2010-10-14 17:59:03 +00:00
Owen Anderson
5114ec184e Revert r116489. It included some changes I didn't intend to commit, and broke the buildbots. 
llvm-svn: 116491
 2010-10-14 17:36:50 +00:00
Owen Anderson
2928dbea72 Apparently MSVC doesn't support thread-safe static local initialization. Roll our own solution instead. 
llvm-svn: 116489
 2010-10-14 17:26:06 +00:00
Jim Grosbach
6d5cb39757 Simplify encoding information and add 'dst' operand info for TAILJMP. 
llvm-svn: 116488
 2010-10-14 17:24:28 +00:00
Rafael Espindola
2cdc3d6235 Remove some code duplication. 
llvm-svn: 116484
 2010-10-14 16:34:44 +00:00
Oscar Fuentes
1f9f1cc125 Remove explicit dependency of LLVMARMCodeGen on LLVMARMAsmPrinter. It 
creates a cyclic dependency that breaks the build when
BUILD_SHARED_LIBS=ON

llvm-svn: 116480
 2010-10-14 15:54:46 +00:00
Oscar Fuentes
0d564b6bb5 When building shared libraries, link to required system libraries. 
PR 8375

llvm-svn: 116479
 2010-10-14 15:54:41 +00:00
Mikhail Glushenkov
bfe6fa281e Comments. 
llvm-svn: 116476
 2010-10-14 13:43:20 +00:00
Mikhail Glushenkov
e418492728 Forward -march correctly. 
Also includes some cosmetic changes.

llvm-svn: 116475
 2010-10-14 11:22:06 +00:00
Eric Christopher
9060ac1be3 Handle more complex GEP based loads and add a few TODOs to deal with 
GEP + alloca.

llvm-svn: 116474
 2010-10-14 09:29:41 +00:00
Bill Wendling
2c335d364c Add support for vmov.f64/.f32 encoding. There's a bit of a hack going on 
here. The f32 in FCONSTS is handled as a double instead of a float in the
code. So the encoding of the immediate into the instruction isn't exactly in
line with the documentation in that regard. But given that we know it's handled
as a double, it doesn't cause any harm.

llvm-svn: 116471
 2010-10-14 02:33:26 +00:00
Bill Wendling
33a2ecd5e4 Add encoding for 'fmstat'. 
llvm-svn: 116466
 2010-10-14 01:19:34 +00:00
Evan Cheng
e1e152c3fc Register pressure and instruction latency aware machine LICM. Work in progress. 
llvm-svn: 116465
 2010-10-14 01:16:09 +00:00
Bill Wendling
cd41f22ec1 - Add encodings for multiply add/subtract instructions in all their glory. 
- Add missing patterns for some multiply add/subtract instructions.
- Add encodings for VMRS and VMSR.

llvm-svn: 116464
 2010-10-14 01:02:08 +00:00
Chris Lattner
27d8b68afa fix a bug I introduced, no idea how this didn't repro right. 
llvm-svn: 116462
 2010-10-14 00:30:00 +00:00
Chris Lattner
7c5912d186 hack to unbreak buildbots 
llvm-svn: 116461
 2010-10-14 00:26:10 +00:00
Jim Grosbach
684289bc3c Regenerate. No functional change, just cleanup. 
llvm-svn: 116459
 2010-10-14 00:15:18 +00:00
Jim Grosbach
08c50611f0 Teach PerfectShuffle to not generate files with embedded tab characters. 
llvm-svn: 116458
 2010-10-14 00:12:49 +00:00
Chris Lattner
451a0accb5 add uadd_ov/usub_ov to apint, consolidate constant folding 
logic to use the new APInt methods.  Among other things this
implements rdar://8501501 - llvm.smul.with.overflow.i32 should constant fold

which comes from "clang -ftrapv", originally brought to my attention from PR8221.

llvm-svn: 116457
 2010-10-14 00:05:07 +00:00
Chris Lattner
365326538a missed a line :( 
llvm-svn: 116456
 2010-10-13 23:57:00 +00:00
Chris Lattner
093d5fe0a9 constify these methods. 
llvm-svn: 116455
 2010-10-13 23:54:10 +00:00
Jim Grosbach
151502662e Detabify and clean up 80 column violations. 
llvm-svn: 116454
 2010-10-13 23:47:11 +00:00
Chris Lattner
70a78ab2c5 add a few operations for signed operations that also 
return an overflow flag.

llvm-svn: 116452
 2010-10-13 23:46:33 +00:00
Jim Grosbach
506b966b9d A few 80 column fixes. 
llvm-svn: 116451
 2010-10-13 23:34:31 +00:00
Jim Grosbach
2e8a589fb2 trailing whitespace 
llvm-svn: 116450
 2010-10-13 23:12:26 +00:00
Jim Grosbach
41cd0dd4ba Add a FIXME. 
llvm-svn: 116449
 2010-10-13 22:55:33 +00:00
Jim Grosbach
4c80dbda49 Add operand encoding bits for SMC and SVC in ARM mode. 
llvm-svn: 116447
 2010-10-13 22:38:23 +00:00
Jim Grosbach
66822f70b8 More encoding cleanup. Also add register Rd operands for indirect branches. 
llvm-svn: 116444
 2010-10-13 22:09:34 +00:00
Owen Anderson
c6c23bbf04 CallGraphSCC passes implicity require CallGraph analysis. 
llvm-svn: 116443
 2010-10-13 22:00:45 +00:00
Owen Anderson
2ea9b016d8 Conversely, Analysis-implementations do NOT need to initialize the AnalysisGroup. It will only matter when 
someone tries to require that AG, in which case it is the requester's responsibility to initialize it.

llvm-svn: 116442
 2010-10-13 21:55:07 +00:00
Owen Anderson
c65395a991 Analysis groups need to initialize their default implementations. 
llvm-svn: 116441
 2010-10-13 21:49:58 +00:00
Jim Grosbach
630efeb050 Simplify some ARM encoding information. 
llvm-svn: 116440
 2010-10-13 21:48:54 +00:00